Messages in this thread | | | Subject | Re: [PATCH] ubifs : fix oops when remounting with no_bulk_read. | From | Richard Weinberger <> | Date | Wed, 14 Jun 2017 18:00:20 +0200 |
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karam.lee,
Am 12.06.2017 um 03:46 schrieb karam.lee@lge.com: > From: "karam.lee" <karam.lee@lge.com> > > When remounting with the no_bulk_read option, > there is a problem accessing the "bulk_read buffer(bu.buf)" > which has already been freed. > > If the bulk_read option is enabled, > ubifs_tnc_bulk_read uses the pre-allocated bu.buf. > > While bu.buf is being used by ubifs_tnc_bulk_read, > remounting with no_bulk_read frees bu.buf. > > So I added code to check the use of "bu.buf" to avoid this situation.
Agreed. We need to lock the buffer in this situation. Thanks for fixing this.
Thanks, //richard
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